Just a little addition to the end of 3:7 - 'He should have picked up on it, should have realised that someone with Ruth's terrier like attitude to a problem would not walk away from a situation without seeing it through to its conclusion.'

“You sit in a car, you make small talk, you laugh politely at his humourless jokes, you get him to the safe house and then you leave.” ... But things are never that straightforward. Set between 5.4 and 5.5